Operating Your Radio
Digital Select Calling (DSC) ProductSetup Features
Digital Select Calling (DSC) Setup
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Digital Selective Calling (DSC) uses digital signals to increase messaging range. This provides the most reliable message delivery per watt of output power. Digital signals are less susceptible to distortion from noise and atmospheric conditions than analog signals.
DSC equipped radios also interface with GPS and automate many operations for sending and receiving messages. This results in compact, accurate messages and less airwave congestion.
Setup procedures for all DSC features use the Setup menu. Refer to page 40 for information on entering and exiting the Setup menu.
User MMSI Number
The nine (9) digit MMSI number, similar to a telephone number, is a unique identifier for a vessel. DSC incorporates this number into every message that is Sent (Tx) or Received (Rx). Enter the MMSI number as soon as you receive your MMSI number from the issuing agency listed on page 9.
NOTE
The radio does not operate in the DSC mode until an official MMSI number is entered. An error tone will sound when attempting to operate in the DSC mode without an MMSI number.
To Enter an MMSI Number:
NOTICE
Only one MMSI number change is allowed on this unit. To prevent constant changes and potential errors, this MMSI number limitation is on all DSC capable radios. If the MMSI number must be changed more than once, return the radio to Cobra Electronics for resetting. Once the radio is reset, another MMSI number may be entered and the radio can then be used in the DSC mode.
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